Drugs are chemicals or substances that change the way our bodies work, for good and bad. Find out more here.

• Drugs: What to Know
• Marijuana
• PCP
• Prescription Drug Abuse
• Study Drugs
• Taking Prescription Opioid Pain Medicines Safely
• What Are the Risks of Steroid Use?

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

© 1995- The Nemours Foundation. KidsHealth® is a registered trademark of The Nemours Foundation. All rights reserved.